From: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
The registers for temperature compensation need to
be programmed only for active chains. Use the TX chainmask
to make sure that this is done properly for QCA953x.
Signed-off-by: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 59 +++++++++++++++-----------
1 file changed, 35 insertions(+), 24 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index d7625ec..235053b 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -4792,43 +4792,54 @@ static void ar9003_hw_power_control_override(struct ath_hw *ah,
tempslope:
if (AR_SREV_9550(ah) || AR_SREV_9531(ah)) {
+ u8 txmask = (eep->baseEepHeader.txrxMask & 0xf0) >> 4;
+
/*
* AR955x has tempSlope register for each chain.
* Check whether temp_compensation feature is enabled or not.
*/
if (eep->baseEepHeader.featureEnable & 0x1) {
if (frequency < 4000) {
- REG_RMW_FIELD(ah, AR_PHY_TPC_19,
- AR_PHY_TPC_19_ALPHA_THERM,
- eep->base_ext2.tempSlopeLow);
- REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
- AR_PHY_TPC_19_ALPHA_THERM,
- temp_slope);
- REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
- AR_PHY_TPC_19_ALPHA_THERM,
- eep->base_ext2.tempSlopeHigh);
+ if (txmask & BIT(0))
+ REG_RMW_FIELD(ah, AR_PHY_TPC_19,
+ AR_PHY_TPC_19_ALPHA_THERM,
+ eep->base_ext2.tempSlopeLow);
+ if (txmask & BIT(1))
+ REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
+ AR_PHY_TPC_19_ALPHA_THERM,
+ temp_slope);
+ if (txmask & BIT(2))
+ REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
+ AR_PHY_TPC_19_ALPHA_THERM,
+ eep->base_ext2.tempSlopeHigh);
} else {
- REG_RMW_FIELD(ah, AR_PHY_TPC_19,
- AR_PHY_TPC_19_ALPHA_THERM,
- temp_slope);
- REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
- AR_PHY_TPC_19_ALPHA_THERM,
- temp_slope1);
- REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
- AR_PHY_TPC_19_ALPHA_THERM,
- temp_slope2);
+ if (txmask & BIT(0))
+ REG_RMW_FIELD(ah, AR_PHY_TPC_19,
+ AR_PHY_TPC_19_ALPHA_THERM,
+ temp_slope);
+ if (txmask & BIT(1))
+ REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
+ AR_PHY_TPC_19_ALPHA_THERM,
+ temp_slope1);
+ if (txmask & BIT(2))
+ REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
+ AR_PHY_TPC_19_ALPHA_THERM,
+ temp_slope2);
}
} else {
/*
* If temp compensation is not enabled,
* set all registers to 0.
*/
- REG_RMW_FIELD(ah, AR_PHY_TPC_19,
- AR_PHY_TPC_19_ALPHA_THERM, 0);
- REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
- AR_PHY_TPC_19_ALPHA_THERM, 0);
- REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
- AR_PHY_TPC_19_ALPHA_THERM, 0);
+ if (txmask & BIT(0))
+ REG_RMW_FIELD(ah, AR_PHY_TPC_19,
+ AR_PHY_TPC_19_ALPHA_THERM, 0);
+ if (txmask & BIT(1))
+ REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
+ AR_PHY_TPC_19_ALPHA_THERM, 0);
+ if (txmask & BIT(2))
+ REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
+ AR_PHY_TPC_19_ALPHA_THERM, 0);
}
} else {
REG_RMW_FIELD(ah, AR_PHY_TPC_19,
--
1.9.0
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